Stains and Dyes

A variety of solutions used to selectively bind to and enhance the visibility of biological structures using color and/or fluorescence; used for histology, protein staining, electrophoresis, bacterial classification, blotting, etc.

421 – 435 of 6,701 results

421

Brilliant Sulfaflavine, MP Biomedicals™

CAS: 2391-30-2 Molecular Formula: C19H13N2NaO5S Molecular Weight (g/mol): 404.372 InChI Key: HYLDLLCHFLSKAG-UHFFFAOYSA-M Synonym: BSF PubChem CID: 23678860 ChEBI: CHEBI:87226 IUPAC Name: sodium;6-amino-2-(4-methylphenyl)-1,3-dioxobenzo[de]isoquinoline-5-sulfonate SMILES: CC1=CC=C(C=C1)N2C(=O)C3=CC=CC4=C3C(=CC(=C4N)S(=O)(=O)[O-])C2=O.[Na+]

Pricing & Availability
Specifications

PubChem CID	23678860
CAS	2391-30-2
Molecular Weight (g/mol)	404.372
ChEBI	CHEBI:87226
SMILES	CC1=CC=C(C=C1)N2C(=O)C3=CC=CC4=C3C(=CC(=C4N)S(=O)(=O)[O-])C2=O.[Na+]
Synonym	BSF
IUPAC Name	sodium;6-amino-2-(4-methylphenyl)-1,3-dioxobenzo[de]isoquinoline-5-sulfonate
InChI Key	HYLDLLCHFLSKAG-UHFFFAOYSA-M
Molecular Formula	C19H13N2NaO5S

422

BD Fixable Viability Stain 700

For discrimination of viable from non-viable mammalian cells in multicolor flow cytometric applications. Reacts with and covalently binds to cell-surface and intracellular amines.

Pricing & Availability

423

Eosin Y Disodium Salt, MP Biomedicals

CAS: 17372-87-1 Molecular Formula: C20H12Br4Na2O8 Molecular Weight (g/mol): 745.904 MDL Number: MFCD00005040 InChI Key: MASXMTNVNASWNH-UHFFFAOYSA-L Synonym: 2',4',5',7'-Tetrabromofluorescein disodium salt,2', 4', 5',Acid Red 87 PubChem CID: 91886399 IUPAC Name: disodium;2-(2,4,5,7-tetrabromo-3-oxido-6-oxoxanthen-9-yl)benzoate;trihydrate SMILES: C1=CC=C(C(=C1)C2=C3C=C(C(=O)C(=C3OC4=C(C(=C(C=C24)Br)[O-])Br)Br)Br)C(=O)[O-].O.O.O.[Na+].[Na+]

Pricing & Availability
Specifications

PubChem CID	91886399
CAS	17372-87-1
Molecular Weight (g/mol)	745.904
MDL Number	MFCD00005040
SMILES	C1=CC=C(C(=C1)C2=C3C=C(C(=O)C(=C3OC4=C(C(=C(C=C24)Br)[O-])Br)Br)Br)C(=O)[O-].O.O.O.[Na+].[Na+]
Synonym	2',4',5',7'-Tetrabromofluorescein disodium salt,2', 4', 5',Acid Red 87
IUPAC Name	disodium;2-(2,4,5,7-tetrabromo-3-oxido-6-oxoxanthen-9-yl)benzoate;trihydrate
InChI Key	MASXMTNVNASWNH-UHFFFAOYSA-L
Molecular Formula	C20H12Br4Na2O8

424

Acriflavine hydrochloride, MP Biomedicals™

CAS: 8063-24-9 Molecular Formula: C27H27Cl3N6 Molecular Weight (g/mol): 541.91 MDL Number: MFCD00069039 InChI Key: MKLTXAHQKDVBLY-UHFFFAOYSA-N Synonym: Euflavin,Trypaflavine IUPAC Name: 3,6-diamino-10-methylacridin-10-ium acridine-3,6-diamine dihydrochloride chloride SMILES: Cl.Cl.[Cl-].NC1=CC2=NC3=CC(N)=CC=C3C=C2C=C1.C[N+]1=C2C=C(N)C=CC2=CC2=CC=C(N)C=C12

Pricing & Availability
Specifications

CAS	8063-24-9
Molecular Weight (g/mol)	541.91
MDL Number	MFCD00069039
SMILES	Cl.Cl.[Cl-].NC1=CC2=NC3=CC(N)=CC=C3C=C2C=C1.C[N+]1=C2C=C(N)C=CC2=CC2=CC=C(N)C=C12
Synonym	Euflavin,Trypaflavine
IUPAC Name	3,6-diamino-10-methylacridin-10-ium acridine-3,6-diamine dihydrochloride chloride
InChI Key	MKLTXAHQKDVBLY-UHFFFAOYSA-N
Molecular Formula	C27H27Cl3N6

425

Thermo Scientific Chemicals Sudan IV

CAS: 85-83-6 Molecular Formula: C24H20N4O Molecular Weight (g/mol): 380.45 MDL Number: MFCD00003893 InChI Key: KMDLOETUWUPGMB-BXCCFQQFSA-N Synonym: C.I. 26105; Scarlet Red PubChem CID: 6797604 IUPAC Name: (1Z)-1-(2-{2-methyl-4-[2-(2-methylphenyl)diazen-1-yl]phenyl}hydrazin-1-ylidene)-1,2-dihydronaphthalen-2-one SMILES: CC1=CC(=CC=C1N\N=C1/C(=O)C=CC2=CC=CC=C12)N=NC1=CC=CC=C1C

Pricing & Availability
Specifications

PubChem CID	6797604
CAS	85-83-6
Molecular Weight (g/mol)	380.45
MDL Number	MFCD00003893
SMILES	CC1=CC(=CC=C1N\N=C1/C(=O)C=CC2=CC=CC=C12)N=NC1=CC=CC=C1C
Synonym	C.I. 26105; Scarlet Red
IUPAC Name	(1Z)-1-(2-{2-methyl-4-[2-(2-methylphenyl)diazen-1-yl]phenyl}hydrazin-1-ylidene)-1,2-dihydronaphthalen-2-one
InChI Key	KMDLOETUWUPGMB-BXCCFQQFSA-N
Molecular Formula	C24H20N4O

426

Ricca Chemical Company Mixed Indicator Solution, Methyl Red-Methylene Blue, Ricca Chemical

Pricing & Availability
Specifications

CAS	7220-79-3
Color	Dark Green
Packaging	Natural Poly Bottle
Chemical Name or Material	Mixed Indicator Solution
Grade	Indicator

427

Coomassie Brilliant Blue R-250 [for Electrophoresis], TCI America™

CAS: 6104-59-2 Molecular Formula: C45H44N3NaO7S2 Molecular Weight (g/mol): 825.97 MDL Number: MFCD00041762 InChI Key: HAEGGLCXLFWTBE-UHFFFAOYSA-M Synonym: Acid Cyanine 6B, Alizarin Rubinol 5G, Solar Cyanine 6B, Acid Blue 83, Brilliant Blue R, CBB R-250 PubChem CID: 61365 IUPAC Name: sodium {4-[(4-ethoxyphenyl)amino]phenyl}bis(4-{ethyl[(3-sulfonatophenyl)methyl]amino}phenyl)methylium SMILES: [Na+].CCOC1=CC=C(NC2=CC=C(C=C2)[C+](C2=CC=C(C=C2)N(CC)CC2=CC=CC(=C2)S([O-])(=O)=O)C2=CC=C(C=C2)N(CC)CC2=CC=CC(=C2)S([O-])(=O)=O)C=C1

Pricing & Availability
Specifications

PubChem CID	61365
CAS	6104-59-2
Molecular Weight (g/mol)	825.97
MDL Number	MFCD00041762
SMILES	[Na+].CCOC1=CC=C(NC2=CC=C(C=C2)[C+](C2=CC=C(C=C2)N(CC)CC2=CC=CC(=C2)S([O-])(=O)=O)C2=CC=C(C=C2)N(CC)CC2=CC=CC(=C2)S([O-])(=O)=O)C=C1
Synonym	Acid Cyanine 6B, Alizarin Rubinol 5G, Solar Cyanine 6B, Acid Blue 83, Brilliant Blue R, CBB R-250
IUPAC Name	sodium {4-[(4-ethoxyphenyl)amino]phenyl}bis(4-{ethyl[(3-sulfonatophenyl)methyl]amino}phenyl)methylium
InChI Key	HAEGGLCXLFWTBE-UHFFFAOYSA-M
Molecular Formula	C45H44N3NaO7S2

428

Thermo Scientific Chemicals Methylene Blue trihydrate, 95%, pure

CAS: 7220-79-3 Molecular Formula: C16H24ClN3O3S Molecular Weight (g/mol): 373.90 MDL Number: MFCD00150008 InChI Key: XQAXGZLFSSPBMK-UHFFFAOYSA-M Synonym: Basic Blue 9 trihydrate,C.I. 52015 trihydrate PubChem CID: 104827 SMILES: O.O.O.[Cl-].CN(C)C1=CC2=[S+]C3=CC(=CC=C3N=C2C=C1)N(C)C

Pricing & Availability
Specifications

PubChem CID	104827
CAS	7220-79-3
Molecular Weight (g/mol)	373.90
MDL Number	MFCD00150008
SMILES	O.O.O.[Cl-].CN(C)C1=CC2=[S+]C3=CC(=CC=C3N=C2C=C1)N(C)C
Synonym	Basic Blue 9 trihydrate,C.I. 52015 trihydrate
InChI Key	XQAXGZLFSSPBMK-UHFFFAOYSA-M
Molecular Formula	C16H24ClN3O3S

429

SPADNS

CAS: 23647-14-5 Molecular Formula: C16H10N2Na3O11S3+ Molecular Weight (g/mol): 571.408 MDL Number: MFCD00003952 InChI Key: LSAWBVPBZOEGOT-UHFFFAOYSA-L Synonym: Sulfanilic acid azochromotrope; 2-(4-Sulfophenylazo)chromotropic acid trisodium salt PubChem CID: 73658865 IUPAC Name: trisodium;5-hydroxy-4-oxo-3-[(4-sulfophenyl)hydrazinylidene]naphthalene-2,7-disulfonate SMILES: C1=CC(=CC=C1NN=C2C(=CC3=CC(=CC(=C3C2=O)O)S(=O)(=O)[O-])S(=O)(=O)[O-])S(=O)(=O)O.[Na+].[Na+].[Na+]

Pricing & Availability
Specifications

PubChem CID	73658865
CAS	23647-14-5
Molecular Weight (g/mol)	571.408
MDL Number	MFCD00003952
SMILES	C1=CC(=CC=C1NN=C2C(=CC3=CC(=CC(=C3C2=O)O)S(=O)(=O)[O-])S(=O)(=O)[O-])S(=O)(=O)O.[Na+].[Na+].[Na+]
Synonym	Sulfanilic acid azochromotrope; 2-(4-Sulfophenylazo)chromotropic acid trisodium salt
IUPAC Name	trisodium;5-hydroxy-4-oxo-3-[(4-sulfophenyl)hydrazinylidene]naphthalene-2,7-disulfonate
InChI Key	LSAWBVPBZOEGOT-UHFFFAOYSA-L
Molecular Formula	C16H10N2Na3O11S3+

430

MilliporeSigma™ Schiff's reagent

Used for Microscopy

Pricing & Availability
Specifications

Storage Requirements	15° to 25°C

431

Thermo Scientific Chemicals o-Cresolphthalein Complexone, pure

CAS: 2411-89-4 Molecular Formula: C32H32N2O12 Molecular Weight (g/mol): 636.61 MDL Number: MFCD00005911 InChI Key: IYZPEGVSBUNMBE-UHFFFAOYSA-N Synonym: o-Cresolphthalexon,Phthalein Complexon PubChem CID: 75485 IUPAC Name: 2-[({5-[1-(3-{[bis(carboxymethyl)amino]methyl}-4-hydroxy-5-methylphenyl)-3-oxo-1,3-dihydro-2-benzofuran-1-yl]-2-hydroxy-3-methylphenyl}methyl)(carboxymethyl)amino]acetic acid SMILES: CC1=CC(=CC(CN(CC(O)=O)CC(O)=O)=C1O)C1(OC(=O)C2=CC=CC=C12)C1=CC(C)=C(O)C(CN(CC(O)=O)CC(O)=O)=C1

Pricing & Availability
Specifications

PubChem CID	75485
CAS	2411-89-4
Molecular Weight (g/mol)	636.61
MDL Number	MFCD00005911
SMILES	CC1=CC(=CC(CN(CC(O)=O)CC(O)=O)=C1O)C1(OC(=O)C2=CC=CC=C12)C1=CC(C)=C(O)C(CN(CC(O)=O)CC(O)=O)=C1
Synonym	o-Cresolphthalexon,Phthalein Complexon
IUPAC Name	2-[({5-[1-(3-{[bis(carboxymethyl)amino]methyl}-4-hydroxy-5-methylphenyl)-3-oxo-1,3-dihydro-2-benzofuran-1-yl]-2-hydroxy-3-methylphenyl}methyl)(carboxymethyl)amino]acetic acid
InChI Key	IYZPEGVSBUNMBE-UHFFFAOYSA-N
Molecular Formula	C32H32N2O12

432

Methylthymol Blue Sodium Salt 95.0+%, TCI America™

CAS: 1945-77-3 Molecular Formula: C37H44N2Na4O13S Molecular Weight (g/mol): 848.779 MDL Number: MFCD00148905 InChI Key: LGVVZVZPOQJZKT-UHFFFAOYSA-N PubChem CID: 131850582 IUPAC Name: 2-[[5-[3-[3-[[bis(carboxymethyl)amino]methyl]-4-hydroxy-2-methyl-5-propan-2-ylphenyl]-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-2-hydroxy-6-methyl-3-propan-2-ylphenyl]methyl-(carboxymethyl)amino]acetic acid;sodium SMILES: CC1=C(C(=C(C=C1C2(C3=CC=CC=C3S(=O)(=O)O2)C4=CC(=C(C(=C4C)CN(CC(=O)O)CC(=O)O)O)C(C)C)C(C)C)O)CN(CC(=O)O)CC(=O)O.[Na].[Na].[Na].[Na]

Pricing & Availability
Specifications

PubChem CID	131850582
CAS	1945-77-3
Molecular Weight (g/mol)	848.779
MDL Number	MFCD00148905
SMILES	CC1=C(C(=C(C=C1C2(C3=CC=CC=C3S(=O)(=O)O2)C4=CC(=C(C(=C4C)CN(CC(=O)O)CC(=O)O)O)C(C)C)C(C)C)O)CN(CC(=O)O)CC(=O)O.[Na].[Na].[Na].[Na]
IUPAC Name	2-[[5-[3-[3-[[bis(carboxymethyl)amino]methyl]-4-hydroxy-2-methyl-5-propan-2-ylphenyl]-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-2-hydroxy-6-methyl-3-propan-2-ylphenyl]methyl-(carboxymethyl)amino]acetic acid;sodium
InChI Key	LGVVZVZPOQJZKT-UHFFFAOYSA-N
Molecular Formula	C37H44N2Na4O13S

433

Calcein, MP Biomedicals™

CAS: 1461-15-0 Molecular Formula: C30H26N2O13 Molecular Weight (g/mol): 622.539 InChI Key: DEGAKNSWVGKMLS-UHFFFAOYSA-N Synonym: Fluorexon,Calcein W PubChem CID: 65079 ChEBI: CHEBI:51903 IUPAC Name: 2-[[7'-[[bis(carboxymethyl)amino]methyl]-3',6'-dihydroxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-2'-yl]methyl-(carboxymethyl)amino]acetic acid SMILES: C1=CC=C2C(=C1)C(=O)OC23C4=CC(=C(C=C4OC5=CC(=C(C=C35)CN(CC(=O)O)CC(=O)O)O)O)CN(CC(=O)O)CC(=O)O

Pricing & Availability
Specifications

PubChem CID	65079
CAS	1461-15-0
Molecular Weight (g/mol)	622.539
ChEBI	CHEBI:51903
SMILES	C1=CC=C2C(=C1)C(=O)OC23C4=CC(=C(C=C4OC5=CC(=C(C=C35)CN(CC(=O)O)CC(=O)O)O)O)CN(CC(=O)O)CC(=O)O
Synonym	Fluorexon,Calcein W
IUPAC Name	2-[[7'-[[bis(carboxymethyl)amino]methyl]-3',6'-dihydroxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-2'-yl]methyl-(carboxymethyl)amino]acetic acid
InChI Key	DEGAKNSWVGKMLS-UHFFFAOYSA-N
Molecular Formula	C30H26N2O13

434

Indocyanine green, MP Biomedicals™

CAS: 3599-32-4 Molecular Formula: C43H47N2NaO6S2 Molecular Weight (g/mol): 774.967 MDL Number: MFCD00013078 InChI Key: MOFVSTNWEDAEEK-UHFFFAOYSA-M Synonym: Cardiogreen,Fax green PubChem CID: 132274068 ChEBI: CHEBI:31696 IUPAC Name: sodium;4-[(2E)-2-[(2E,4E,6Z)-7-[1,1-dimethyl-3-(4-sulfonatobutyl)benzo[e]indol-3-ium-2-yl]hepta-2,4,6-trienylidene]-1,1-dimethylbenzo[e]indol-3-yl]butane-1-sulfonate SMILES: CC1(C(=[N+](C2=C1C3=CC=CC=C3C=C2)CCCCS(=O)(=O)[O-])C=CC=CC=CC=C4C(C5=C(N4CCCCS(=O)(=O)[O-])C=CC6=CC=CC=C65)(C)C)C.[Na+]

Pricing & Availability
Specifications

PubChem CID	132274068
CAS	3599-32-4
Molecular Weight (g/mol)	774.967
ChEBI	CHEBI:31696
MDL Number	MFCD00013078
SMILES	CC1(C(=[N+](C2=C1C3=CC=CC=C3C=C2)CCCCS(=O)(=O)[O-])C=CC=CC=CC=C4C(C5=C(N4CCCCS(=O)(=O)[O-])C=CC6=CC=CC=C65)(C)C)C.[Na+]
Synonym	Cardiogreen,Fax green
IUPAC Name	sodium;4-[(2E)-2-[(2E,4E,6Z)-7-[1,1-dimethyl-3-(4-sulfonatobutyl)benzo[e]indol-3-ium-2-yl]hepta-2,4,6-trienylidene]-1,1-dimethylbenzo[e]indol-3-yl]butane-1-sulfonate
InChI Key	MOFVSTNWEDAEEK-UHFFFAOYSA-M
Molecular Formula	C43H47N2NaO6S2

435

Ethyl Violet, 80%, Thermo Scientific™

CAS: 2390-59-2 Molecular Formula: C31H42ClN3 Molecular Weight (g/mol): 492.15 MDL Number: MFCD00011765 InChI Key: JVICFMRAVNKDOE-UHFFFAOYSA-M Synonym: Basic Violet 4,C.I. 42600 PubChem CID: 16955 IUPAC Name: [4-[bis[4-(diethylamino)phenyl]methylidene]cyclohexa-2,5-dien-1-ylidene]-diethylazanium;chloride SMILES: [Cl-].CCN(CC)C1=CC=C(C=C1)[C+](C1=CC=C(C=C1)N(CC)CC)C1=CC=C(C=C1)N(CC)CC

Pricing & Availability
Specifications

PubChem CID	16955
CAS	2390-59-2
Molecular Weight (g/mol)	492.15
MDL Number	MFCD00011765
SMILES	[Cl-].CCN(CC)C1=CC=C(C=C1)[C+](C1=CC=C(C=C1)N(CC)CC)C1=CC=C(C=C1)N(CC)CC
Synonym	Basic Violet 4,C.I. 42600
IUPAC Name	[4-[bis[4-(diethylamino)phenyl]methylidene]cyclohexa-2,5-dien-1-ylidene]-diethylazanium;chloride
InChI Key	JVICFMRAVNKDOE-UHFFFAOYSA-M
Molecular Formula	C31H42ClN3

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Stains and Dyes

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Ricca Chemical Company Mixed Indicator Solution, Methyl Red-Methylene Blue, Ricca Chemical Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Coomassie Brilliant Blue R-250 [for Electrophoresis], TCI America™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Methylthymol Blue Sodium Salt 95.0+%, TCI America™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Ricca Chemical Company Mixed Indicator Solution, Methyl Red-Methylene Blue, Ricca Chemical

Coomassie Brilliant Blue R-250 [for Electrophoresis], TCI America™

Methylthymol Blue Sodium Salt 95.0+%, TCI America™